11493668279 has 4 divisors (see below), whose sum is σ = 11576356680. Its totient is φ = 11410979880.

The previous prime is 11493668269. The next prime is 11493668299. The reversal of 11493668279 is 97286639411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11493668279 - 2²⁰ = 11492619703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11493668269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41343992 + ... + 41344269.

It is an arithmetic number, because the mean of its divisors is an integer number (2894089170).

Almost surely, 2^11493668279 is an apocalyptic number.

11493668279 is a deficient number, since it is larger than the sum of its proper divisors (82688401).

11493668279 is an equidigital number, since it uses as much as digits as its factorization.

11493668279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82688400.

The product of its digits is 3919104, while the sum is 56.

The spelling of 11493668279 in words is "eleven billion, four hundred ninety-three million, six hundred sixty-eight thousand, two hundred seventy-nine".